【 Weak current College 】 all kinds of audio conference system knowledge quiz

What is an audio conferencing system?
Modern conference system contains multiple major subsystems, audio equipment, video equipment, communications equipment, control devices, display devices, etc. together comprise a complete set of modern multimedia conferencing system.
Among these, only work through various audio devices, and on the speaker's voice signal transmission and treatment of the final public through meeting transmitted, this is what we call audio conference system.
In other words, we will only pass the audio device for voice signals for transmission and processing of a complete system called audio conference system.
The type of audio conferencing system?
Audio conferencing system in accordance with the functionality of the system is divided into:
1, discussion-conference system
2. simultaneous interpretation system
According to the type of signal transmission can be divided into:
1, digital audio conferencing system
2, analog audio conferencing system
Follow the system connection method can be divided into:
1, gooseneck condenser microphone + mixer amplifier device
2. hand wired conference system
3. wireless technology conference system – (infrared, 2.4G, WI-FI)
What is a digital audio conferencing system?
Digital audio conferencing system for analog audio conference system.
Digital audio conference system is through sampling and quantization, analog representation of the audio signal is converted into a binary number by the number of 1 and 0, composed of digital audio signal. Digital system for the transmission of digital signals, the digital signal is within the range of signal in without distortion. Good resistance to noise, not vulnerable to decay. If the signal weakens when no distortion of the recovery. Makes it easy for computer processing, chip design is relatively simple. Therefore, the digital audio conference system is being high speed of development, has gradually become the mainstream of the meeting.
Purchase audio conference system you need to consider what issues?
Purchase audio conference system with the following points are needed we consider:
1. taking into account the reduction rate, original audio sound quality as well as the transmission distance, we need to consider the selection of digital systems.
2. considering that the system of beautiful fashion, new technologies, new concepts, we need to consider whether to adopt wireless conferencing system.
3, taking into account the management of control between the equipment and transport, we need to consider whether a centralized control system.
4, according to the grade of the room and location, you also need to consider a system of brand and overall cost.
5. in accordance with the requirements, consider whether you want to add to the system of video control and display system.
What is a "hand" audio conferencing system?
"Holding hands" meeting system uses a single-cable connection, the system of each floor units with a further out of the connection methods, the input from a cell, the output is sent to a unit, that is, we usually say bus connection, the entire system of voice signal and control signals are processed via a cable transmission, so that the audio conferencing system can be ordered for work, ensuring the meeting of the orderly, smoothly.
What is infrared wireless conferencing system?
Infrared wireless technology for signal transmission in meeting system called infrared wireless conferencing system. Infrared wireless conferencing system fashion appearance, from the traditional conference rooms because of the interdependence between the cable. To meet the traditional conferencing system has features that also have system stability, security, high-fidelity sound quality, installation quick and easy, and the overall environment in beautiful venue. As new things was soon accepted by the market, as more and more in actual projects.
What is networktransmission of audio conferencing system?
Through the network data transmission technology will further away or offsite two meeting rooms for two-way transmission of speech signal, making it far apart two conference rooms at a meeting to become a reality, this is what we usually refer to the remote session. In actual cases have a wide range of applications.